/*
 * Copyright 2013 MovingBlocks
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.terasology.engine.identity;

/**
 * Collection of constants related to Identity and Authentication
 */
public final class IdentityConstants {
    /**
     * The algorithm used for generating certificate keys
     */
    public static final String CERTIFICATE_ALGORITHM = "RSA";

    /**
     * The algorithm used for generating signatures
     */
    public static final String SIGNATURE_ALGORITHM = "SHA1withRSA";

    /**
     * The algorithm used for symmetric encryption (used for speed and due to limits on the maximum size of data
     * that can be encrypted with asymmetric keys)
     */
    public static final String SYMMETRIC_ENCRYPTION_ALGORITHM = "ARCFOUR";

    /**
     * The length of the premaster secret (random number that is used to generate the symmetric key)
     */
    public static final int PREMASTER_SECRET_LENGTH = 46;

    /**
     * The length of the random numbers used in server and client hello messages (in bytes)
     */
    public static final int SERVER_CLIENT_RANDOM_LENGTH = 28;

    /**
     * The length in bytes of the symmetric key (max of 16 without installing the unlimited strength encryption package)
     */
    public static final int SYMMETRIC_ENCRYPTION_KEY_LENGTH = 16;


    private IdentityConstants() {
    }
}
